22mm LED Indicator Lamp with Buzzer
This 22mm LED signal indicating lamp features an integrated buzzer for combined visual and auditory alerts. It is designed for clear signaling in control panels, machinery, and various equipment.



Technical Specifications
Product Overview
Reliable Visual and Audible Signaling
The AD22-22MSD is a high-performance 22mm LED indicator lamp integrated with a built-in buzzer, providing simultaneous visual and auditory alerts for industrial control panels. Utilizing advanced LED chip technology, it offers high brightness, low power consumption, and a significantly longer service life compared to traditional incandescent or neon lamps. Designed for demanding environments, this compact signaling device features a polycarbonate lens for superior impact resistance and anti-surge performance.

Technical Specifications
- Mounting Diameter
- 22 mm
- Rated Current
- 20 mA
- Insulation Resistance
- ≥2MΩ
- Voltage of Working Frequency
- 2.5kV (AC valid value), 1min
- Allowable Voltage Wave
- ±20%
Performance Metrics
Key Performance Metrics
Installation & Design
Physical Dimensions
| Feature | Specification |
|---|---|
| Total Height | 49mm |
| Base Diameter | 20.3mm |
| Max Panel Thickness | 6mm |
| Connector Type | Bolt-type |

Application Range
Suitable Industries
- Electrical Power Systems
- Telecommunications
- Machine Tools
- Watercraft & Marine
- Textile Machinery
- Printing Equipment
- Mining Machinery
Compliance & Safety
Safety Features
- Standards & Certifications
- CEIEC 60947-5-1EN 60947-5-1
Voltage Options
Available Voltage Ratings
- 24V AC/DC
- 36V AC/DC
- 48V AC/DC
- 110V AC
- 220V AC
- 230V AC
- 380V AC



